Add "Save as CSV" option to charts.

icons/svg_file.svg

+<svg viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <path d="M4 3c0-.184.15-.333.333-.333h4.334v2c0 .368.298.666.666.666h2v1.334h1.334v-.92c0-.441-.176-.865-.489-1.178L9.431 1.822a1.667 1.667 0 0 0-1.179-.489H4.333c-.92 0-1.666.747-1.666 1.667v3.667H4V3Zm0 10v-1H2.667v1c0 .92.746 1.667 1.666 1.667H11c.92 0 1.667-.746 1.667-1.667v-1h-1.334v1a.333.333 0 0 1-.333.333H4.333A.333.333 0 0 1 4 13Zm1.167-5.833H4.75c-.575 0-1.042.466-1.042 1.041v2.084c0 .575.466 1.041 1.042 1.041h.417a1.04 1.04 0 0 0 1.041-1.041v-.209a.418.418 0 0 0-.416-.416.418.418 0 0 0-.417.416v.209a.209.209 0 0 1-.208.208H4.75a.209.209 0 0 1-.208-.208V8.208c0-.114.093-.208.208-.208h.417a.21.21 0 0 1 .208.208v.209a.417.417 0 0 0 .833 0v-.209a1.04 1.04 0 0 0-1.041-1.041Zm2.666 0a1.21 1.21 0 0 0-.599 2.258l.662.377a.375.375 0 0 1-.188.7h-.666a.418.418 0 0 0-.417.417c0 .23.188.417.417.417h.666a1.21 1.21 0 0 0 .6-2.258l-.662-.377a.375.375 0 0 1 .188-.7h.458a.418.418 0 0 0 0-.833h-.459Zm2.125.416v.823c0 .6.144 1.188.417 1.719a3.737 3.737 0 0 0 .417-1.719v-.823a.417.417 0 0 1 .833 0v.823a4.58 4.58 0 0 1-.77 2.542l-.134.2a.415.415 0 0 1-.692 0l-.133-.2a4.58 4.58 0 0 1-.771-2.542v-.823a.417.417 0 0 1 .833 0Z" fill="currentColor"/>
+</svg>

lib/saveAsCSV.ts

+import { unparse } from 'papaparse';
+
+export default function saveAsCSV(headerRows: Array<string>, dataRows: Array<Array<string>>, filename: string) {
+  const csv = unparse([
+    headerRows,
+    ...dataRows,
+  ]);
+
+  const blob = new Blob([ csv ], { type: 'text/csv;charset=utf-8;' });
+
+  const url = URL.createObjectURL(blob);
+  const link = document.createElement('a');
+  link.setAttribute('href', url);
+  link.setAttribute('download', filename);
+  link.click();
+
+  link.remove();
+  URL.revokeObjectURL(url);
+}

package.json

@@ -37,6 +37,7 @@
     "@sentry/tracing": "^7.24.0",
     "@tanstack/react-query": "^4.0.10",
     "@tanstack/react-query-devtools": "^4.0.10",
+    "@types/papaparse": "^5.3.5",
     "@types/react-scroll": "^1.8.4",
     "bignumber.js": "^9.1.0",
     "d3": "^7.6.1",
@@ -48,6 +49,7 @@
     "lodash": "^4.0.0",
     "next": "12.2.5",
     "node-fetch": "^3.2.9",
+    "papaparse": "^5.3.2",
     "phoenix": "^1.6.15",
     "pino-http": "^8.2.1",
     "pino-pretty": "^9.1.1",

ui/shared/chart/ChartWidget.tsx

@@ -5,9 +5,12 @@ import React, { useRef, useCallback, useState } from 'react';
 import type { TimeChartItem } from './types';
 
 import imageIcon from 'icons/image.svg';
-import repeatArrow from 'icons/repeat_arrow.svg';
+import repeatArrowIcon from 'icons/repeat_arrow.svg';
 import scopeIcon from 'icons/scope.svg';
+import svgFileIcon from 'icons/svg_file.svg';
 import dotsIcon from 'icons/vertical_dots.svg';
+import dayjs from 'lib/date/dayjs';
+import saveAsCSV from 'lib/saveAsCSV';
 
 import ChartWidgetGraph from './ChartWidgetGraph';
 import ChartWidgetSkeleton from './ChartWidgetSkeleton';
@@ -78,6 +81,19 @@ const ChartWidget = ({ items, title, description, isLoading, chartHeight }: Prop
     }
   }, [ title ]);
 
+  const handleSVGSavingClick = useCallback(() => {
+    if (items) {
+      const headerRows = [
+        'Date', 'Value',
+      ];
+      const dataRows = items.map((item) => [
+        dayjs(item.date).format('YYYY-MM-DD'), String(item.value),
+      ]);
+
+      saveAsCSV(headerRows, dataRows, `${ title } (Blockscout stats)`);
+    }
+  }, [ items, title ]);
+
   if (isLoading) {
     return <ChartWidgetSkeleton hasDescription={ Boolean(description) } chartHeight={ chartHeight }/>;
   }
@@ -132,7 +148,7 @@ const ChartWidget = ({ items, title, description, isLoading, chartHeight }: Prop
                 size="sm"
                 variant="outline"
                 onClick={ handleZoomResetClick }
-                icon={ <Icon as={ repeatArrow } w={ 4 } h={ 4 }/> }
+                icon={ <Icon as={ repeatArrowIcon } w={ 4 } h={ 4 }/> }
               />
             </Tooltip>
 
@@ -161,6 +177,7 @@ const ChartWidget = ({ items, title, description, isLoading, chartHeight }: Prop
                   <Icon as={ scopeIcon } boxSize={ 4 } mr={ 3 }/>
                   View fullscreen
                 </MenuItem>
+
                 <MenuItem
                   display="flex"
                   alignItems="center"
@@ -169,6 +186,15 @@ const ChartWidget = ({ items, title, description, isLoading, chartHeight }: Prop
                   <Icon as={ imageIcon } boxSize={ 4 } mr={ 3 }/>
                   Save as PNG
                 </MenuItem>
+
+                <MenuItem
+                  display="flex"
+                  alignItems="center"
+                  onClick={ handleSVGSavingClick }
+                >
+                  <Icon as={ svgFileIcon } boxSize={ 4 } mr={ 3 }/>
+                  Save as CSV
+                </MenuItem>
               </MenuList>
             </Menu>
           </Grid>

yarn.lock

@@ -3588,6 +3588,13 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-17.0.36.tgz#c0d5f2fe76b47b63e0e0efc3d2049a9970d68794"
   integrity sha512-V3orv+ggDsWVHP99K3JlwtH20R7J4IhI1Kksgc+64q5VxgfRkQG8Ws3MFm/FZOKDYGy9feGFlZ70/HpCNe9QaA==
 
+"@types/papaparse@^5.3.5":
+  version "5.3.5"
+  resolved "https://registry.yarnpkg.com/@types/papaparse/-/papaparse-5.3.5.tgz#e5ad94b1fe98e2a8ea0b03284b83d2cb252bbf39"
+  integrity sha512-R1icl/hrJPFRpuYj9PVG03WBAlghJj4JW9Py5QdR8FFSxaLmZRyu7xYDCCBZIJNfUv3MYaeBbhBoX958mUTAaw==
+  dependencies:
+    "@types/node" "*"
+
 "@types/parse-json@^4.0.0":
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/@types/parse-json/-/parse-json-4.0.0.tgz#2f8bb441434d163b35fb8ffdccd7138927ffb8c0"
@@ -7708,6 +7715,11 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
   integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
 
+papaparse@^5.3.2:
+  version "5.3.2"
+  resolved "https://registry.yarnpkg.com/papaparse/-/papaparse-5.3.2.tgz#d1abed498a0ee299f103130a6109720404fbd467"
+  integrity sha512-6dNZu0Ki+gyV0eBsFKJhYr+MdQYAzFUGlBMNj3GNrmHxmz1lfRa24CjFObPXtjcetlOv5Ad299MhIK0znp3afw==
+
 parent-module@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"